Avoid search gateway timeouts

backend/handlers/api.go

@@ -270,6 +270,7 @@ func (a *App) runDownload(recordID int64, url, start, end, quality, outputPath s
 
 func (a *App) searchMedia(c *gin.Context) {
 	started := time.Now()
+	deadline := started.Add(22 * time.Second)
 	var req struct {
 		Query     string   `json:"query"`
 		Platforms []string `json:"platforms"`
@@ -321,16 +322,16 @@ func (a *App) searchMedia(c *gin.Context) {
 	scored := services.RankSearchResults(rankQuery, results)
 	a.debug("search ranked summary", summarizeSearchResults(scored, time.Since(started), services.GeminiCandidateLimit(len(scored)), ""))
 	a.Hub.Broadcast("progress", gin.H{"type": "search", "status": "analyzing all candidate visuals with Gemini Vision", "progress": 75})
-	recommended, geminiStats, geminiErr := services.EvaluateAllCandidatesWithGemini(a.GeminiService, req.Query, scored)
+	recommended, geminiStats, geminiErr := services.EvaluateAllCandidatesWithGeminiBudget(a.GeminiService, req.Query, scored, deadline)
 	a.debug("search gemini evaluation", geminiStats)
-	if services.NeedsSupplementalExploration(recommended) {
+	if services.NeedsSupplementalExploration(recommended) && time.Now().Before(deadline.Add(-4*time.Second)) {
 		a.Hub.Broadcast("progress", gin.H{"type": "search", "status": "Gemini 평가가 약해 추가 후보를 탐색하는 중", "progress": 82})
 		explorationQueries := buildSupplementalQueries(req.Query, queryVariants)
 		extraResults, extraErr := a.SearchService.SearchMedia(explorationQueries, enabledPlatforms)
 		if extraErr == nil && len(extraResults) > 0 {
 			results = mergeSearchResults(results, extraResults)
 			scored = services.RankSearchResults(strings.Join(explorationQueries[:min(len(explorationQueries), 3)], " "), results)
-			recommended, geminiStats, geminiErr = services.EvaluateAllCandidatesWithGemini(a.GeminiService, req.Query, scored)
+			recommended, geminiStats, geminiErr = services.EvaluateAllCandidatesWithGeminiBudget(a.GeminiService, req.Query, scored, deadline)
 			a.debug("search supplemental query variants", gin.H{"variants": explorationQueries, "variantCount": len(explorationQueries)})
 			a.debug("search gemini evaluation after supplemental search", geminiStats)
 		}
@@ -361,6 +362,9 @@ func (a *App) searchMedia(c *gin.Context) {
 	if geminiErr != nil {
 		warning = geminiErr.Error()
 	}
+	if geminiStats.TimedOut && warning == "" {
+		warning = "search returned partial Gemini-reviewed results before the gateway timeout budget"
+	}
 	a.debug("search complete summary", summarizeRecommendationResults(merged, time.Since(started), warning))
 	response := gin.H{"results": merged, "queries": queryVariants}
 	if warning != "" {